<div class="l-leftnav__item">
<a class="l-leftnav__item__label" href="{dede:field.typeurl/}">{dede:field.typename/}</a>
<div class="l-leftnav__item__children">
{dede:channel type='son' noself='yes'}
<a class="l-leftnav__item__children__item" href="[field:typeurl/]">[field:typename/]</a>
{/dede:channel}
</div>
</div>